first update after coming back to my hometown

daily time stats from 20130127 to 20130203.
diaries of 20130131 to 20130202.
add the about and guides pages
add pingmin-bulletin with 2 announcements
add two essays by apple inc. and steve jobs
add 1 diary on 2012-11-29
add the thanksgivings page's text
add dairies and daily time-statistics of this week
add and amend some descriptions